.servers(request.getServers().stream().map(Server::getDelegate).collect(Collectors.toList()))
                .mirrors(request.getMirrors().stream().map(Mirror::getDelegate).collect(Collectors.toList()))
                .profiles(request.getProfiles().stream()
                        .map(Profile::getDelegate)

                plugin = check;
                break;
            }
        }

        assertNotNull(plugin);

        assertEquals("1.0", plugin.getVersion());

        XmlNode configuration = plugin.getDelegate().getConfiguration();

        assertEquals(
                "src/conf/plexus.conf",
                configuration.getChild("plexusConfiguration").getValue());

        assertEquals(

                    .map(org.apache.maven.model.Plugin::getDelegate)
                    .collect(Collectors.toList());
            Model lifecycleModel = Model.newBuilder()
                    .build(Build.newBuilder().plugins(plugins).build())
                    .build();
            model.update(merger.merge(model.getDelegate(), lifecycleModel));
        }
    }

    /**

        addRepository(repository.getDelegate());
    }

    @Override
    public void addRepository(org.apache.maven.model.Repository repository, boolean replace)
            throws InvalidRepositoryException {
        addRepository(repository.getDelegate(), replace);
    }

            String projectId = projectVertex.getLabel();

            MavenProject project = projectMap.get(projectId);

            for (Dependency dependency : project.getModel().getDelegate().getDependencies()) {
                addEdge(
                        projectMap,
                        vertexMap,
                        project,
                        projectVertex,

        this.provider = provider;
    }

    @Override
    public Model getSuperPom(String version) {
        try {
            return provider.getSuperModel(version).getDelegate();
        } catch (IllegalStateException e) {
            throw new SuperPomProviderException("Could not retrieve super pom " + version, e);
        }
    }

    List<V> getListDelegate() {
      return (List<V>) getDelegate();
    }

    @Override
    public boolean addAll(int index, Collection<? extends V> c) {
      if (c.isEmpty()) {
        return false;
      }
      int oldSize = size(); // calls refreshIfEmpty
      boolean changed = getListDelegate().addAll(index, c);
      if (changed) {
        int newSize = getDelegate().size();
        totalSize += (newSize - oldSize);

            XmlNode pomConfiguration = null;

            if (pluginExecution != null) {
                pomConfiguration = pluginExecution.getDelegate().getConfiguration();
            } else if (allowPluginLevelConfig) {
                pomConfiguration = plugin.getDelegate().getConfiguration();
            }

            XmlNode mojoConfiguration = mojoExecution.getConfiguration() != null

    @Override
    public Model build(RepositorySystemSession session, MavenProject project, Path src) throws ModelBuilderException {
        Model model = project.getModel().getDelegate();
        String packaging = model.getPackaging();
        String originalPackaging = project.getOriginalModel().getPackaging();
        if (POM_PACKAGING.equals(packaging) && !BOM_PACKAGING.equals(originalPackaging)) {

    List<V> getListDelegate() {
      return (List<V>) getDelegate();
    }

    @Override
    public boolean addAll(int index, Collection<? extends V> c) {
      if (c.isEmpty()) {
        return false;
      }
      int oldSize = size(); // calls refreshIfEmpty
      boolean changed = getListDelegate().addAll(index, c);
      if (changed) {
        int newSize = getDelegate().size();
        totalSize += (newSize - oldSize);